UPDATE 1: The mystery male has been ID’d as 22-year-old Blake Berris, who plays Nick Fallon on Days of Our Lives.

UPDATE 2: It’s not Julia Stiles! Blake Berris‘s rep told Soap Opera Digest: “It’s is not Julia Stiles; it’s actually a friend of his named Nora. His feeling is he’s so happy to be at the party. His reaction, other than it being candid, was to get it out there that it’s not Julia.”